Question :
101. A friend tells you she’s worried because her five-year-old daughter : 1201974
101. A friend tells you she’s worried because her five-year-old daughter received an IQ score of 95. You could comfort her by telling her that IQ scores
A. between 90 and 95 are considered above average.
B. obtained at that age are only moderately correlated with scores obtained after age seven.
C. do not predict academic success.
D. are not strongly correlated with the level of education that people achieve.
102. Allen is using a batch of scores from an IQ test in his longitudinal research project. He wants to be very careful when interpreting the test scores, so he writes down all the cautions he needs to remember. When asked to proofread his list, you find an error. Which of the following points is incorrect?
A. Psychologists do not agree about whether IQ tests actually measure intelligence.
B. IQ scores obtained during childhood do not correlate very highly with those obtained later on.
C. Many factors other than mental ability can influence test performance.
D. IQ scores do not predict success in school or the workplace.
103. You are baffled about how to untangle the influence of heredity and environment on intelligence. According to the text, you should
A. do a longitudinal study in which you give people IQ tests every two years from infancy to early adulthood.
B. calculate the IQ of parents and their offspring, which would show the influence of the environment.
C. measure and compare the IQs of identical twins, of fraternal twins, and of siblings reared either together or separately.
D. map the genes responsible for intelligence.
104. Morgan was adopted as a newborn and has always lived with his adoptive family. Now, at age twenty, he discovers that he has an identical twin brother. According to research, Morgan’s IQ score will be most similar to that of his
A. adoptive mother.
B. adoptive brother and sister.
C. biological twin.
D. biological mother.
105. Zeke and Zach are identical twins raised in the same house. Peter and Paul are identical twins raised apart. Tim and Tom are brothers (not twins) who are raised together. Laverne and Shirley are nonidentical twins raised together. Which of these pairs is most likely to have the least similar IQ scores?
A. Zeke and Zach
B. Peter and Paul
C. Tim and Tom
D. Laverne and Shirley
106. Which of the following examples lends strongest support to an environmental explanation of intelligence?
A. Bright children take better advantage of their environmental resources.
B. Siblings raised in different homes tend to have similar IQs.
C. Retarded children moved from institutions into adoptive homes show an average gain of 30 IQ points.
D. Minority groups in the United States have a mean IQ that is 15 points below the mean of the majority.
107. If you selected an individual at random from each of the following populations, who would have the highest IQ?
A. The African American.
B. The European American.
C. The Asian American.
D. Impossible to be sure.
108. Unicorns have an average IQ score that is 10 points higher than that of centaurs. Given what you know about group differences in IQ scores, what is the most accurate statement about the intelligence of a particular unicorn and a particular centaur?
A. The unicorn is smarter than the centaur.
B. We can’t make any conclusions about their intelligence.
C. There is no difference in their intelligence.
D. The centaur is smarter than the unicorn.
109. Sam has administered an IQ test to a large sample of people representative of the general population. If his results are consistent with those discussed in your textbook, he should find the greatest difference between which two groups?
A. Upper-class and lower-class participants of the same ethnicity
B. Males and females of the same socioeconomic class
C. African Americans and European Americans of the same socioeconomic class
D. Asians and Hispanics of the same socioeconomic class
110. Juanita is creating a culture-fair test to measure the intelligence levels of her third graders. Her test will probably consist primarily of
A. items that assess vocabulary.
B. items that assess problem-solving skills.
C. items that assess motivation.
D. verbal rather than nonverbal items.
